Aged four, Raven Kaliana's parents took her to a film studio where she was sexually abused in front of cameras. For most of her childhood they regularly trafficked her to the sex industry. Now she campaigns against child abuse. Nuala Calvi meets her

In Vietnam and around the world, instead of direct action to free victims, organisations are fixated by media soundbites. How can you claim to fight trafficking, yet sit at a safe distance, asks Michael Brosowski